Finding the Fourth Proportional to 106,554,071.25, 147,044,618.37 and 57,661,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   106,554,071.25 : 147,044,618.37 = 57,661,499.25 : x
2. Step 2: Convert to fraction form
   106,554,071.25/147,044,618.37 = 57,661,499.25/x
3. Step 3: Cross multiply
   106,554,071.25x = 147,044,618.37 × 57,661,499.25
4. Step 4: Simplify right side
   106,554,071.25x = 8,478,813,151,858,291
5. Step 5: Solve for x
   x = 8,478,813,151,858,291/106,554,071.25
6. Step 6: Final answer
   x = 79,572,868.99