Finding the Fourth Proportional to 105,251,057.47, 145,230,323.39 and 60,588,396.31

Step by Step Solution

1. Step 1: Write the proportion equation
   105,251,057.47 : 145,230,323.39 = 60,588,396.31 : x
2. Step 2: Convert to fraction form
   105,251,057.47/145,230,323.39 = 60,588,396.31/x
3. Step 3: Cross multiply
   105,251,057.47x = 145,230,323.39 × 60,588,396.31
4. Step 4: Simplify right side
   105,251,057.47x = 8,799,272,389,782,782
5. Step 5: Solve for x
   x = 8,799,272,389,782,782/105,251,057.47
6. Step 6: Final answer
   x = 83,602,698.17