Finding the Fourth Proportional to 115,099,590.78, 158,943,510.90 and 73,918,227.69

Step by Step Solution

1. Step 1: Write the proportion equation
   115,099,590.78 : 158,943,510.90 = 73,918,227.69 : x
2. Step 2: Convert to fraction form
   115,099,590.78/158,943,510.90 = 73,918,227.69/x
3. Step 3: Cross multiply
   115,099,590.78x = 158,943,510.90 × 73,918,227.69
4. Step 4: Simplify right side
   115,099,590.78x = 11,748,822,628,554,196
5. Step 5: Solve for x
   x = 11,748,822,628,554,196/115,099,590.78
6. Step 6: Final answer
   x = 102,075,277.15