Finding the Fourth Proportional to 42,766,336.59, 64,155,906.58 and 15,479,013.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766,336.59 : 64,155,906.58 = 15,479,013.76 : x
2. Step 2: Convert to fraction form
   42,766,336.59/64,155,906.58 = 15,479,013.76/x
3. Step 3: Cross multiply
   42,766,336.59x = 64,155,906.58 × 15,479,013.76
4. Step 4: Simplify right side
   42,766,336.59x = 993,070,160,747,436.75
5. Step 5: Solve for x
   x = 993,070,160,747,436.75/42,766,336.59
6. Step 6: Final answer
   x = 23,220,837.70