Finding the Fourth Proportional to 96,815,938.50, 145,252,349.69 and 28,660,401.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,815,938.50 : 145,252,349.69 = 28,660,401.72 : x
2. Step 2: Convert to fraction form
   96,815,938.50/145,252,349.69 = 28,660,401.72/x
3. Step 3: Cross multiply
   96,815,938.50x = 145,252,349.69 × 28,660,401.72
4. Step 4: Simplify right side
   96,815,938.50x = 4,162,990,692,746,015.50
5. Step 5: Solve for x
   x = 4,162,990,692,746,015.50/96,815,938.50
6. Step 6: Final answer
   x = 42,999,022.24