Finding the Fourth Proportional to 10,002,780.94, 13,803,851.76 and 5,419,102.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,002,780.94 : 13,803,851.76 = 5,419,102.31 : x
2. Step 2: Convert to fraction form
   10,002,780.94/13,803,851.76 = 5,419,102.31/x
3. Step 3: Cross multiply
   10,002,780.94x = 13,803,851.76 × 5,419,102.31
4. Step 4: Simplify right side
   10,002,780.94x = 74,804,484,999,583.78
5. Step 5: Solve for x
   x = 74,804,484,999,583.78/10,002,780.94
6. Step 6: Final answer
   x = 7,478,368.81