Finding the Fourth Proportional to 105,510,142.72, 145,604,851.86 and 58,468,001.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,510,142.72 : 145,604,851.86 = 58,468,001.97 : x
2. Step 2: Convert to fraction form
   105,510,142.72/145,604,851.86 = 58,468,001.97/x
3. Step 3: Cross multiply
   105,510,142.72x = 145,604,851.86 × 58,468,001.97
4. Step 4: Simplify right side
   105,510,142.72x = 8,513,224,765,065,276
5. Step 5: Solve for x
   x = 8,513,224,765,065,276/105,510,142.72
6. Step 6: Final answer
   x = 80,686,316.46