Finding the Fourth Proportional to 10,006,938,978.12, 15,010,343,448.72 and 2,545,458,013.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,006,938,978.12 : 15,010,343,448.72 = 2,545,458,013.80 : x
2. Step 2: Convert to fraction form
   10,006,938,978.12/15,010,343,448.72 = 2,545,458,013.80/x
3. Step 3: Cross multiply
   10,006,938,978.12x = 15,010,343,448.72 × 2,545,458,013.80
4. Step 4: Simplify right side
   10,006,938,978.12x = 38,208,199,021,434,650,624
5. Step 5: Solve for x
   x = 38,208,199,021,434,650,624/10,006,938,978.12
6. Step 6: Final answer
   x = 3,818,170,482.00