Finding the Fourth Proportional to 105,787,502.88, 145,978,749.18 and 59,368,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,787,502.88 : 145,978,749.18 = 59,368,788.72 : x
2. Step 2: Convert to fraction form
   105,787,502.88/145,978,749.18 = 59,368,788.72/x
3. Step 3: Cross multiply
   105,787,502.88x = 145,978,749.18 × 59,368,788.72
4. Step 4: Simplify right side
   105,787,502.88x = 8,666,581,517,677,294
5. Step 5: Solve for x
   x = 8,666,581,517,677,294/105,787,502.88
6. Step 6: Final answer
   x = 81,924,436.08