Finding the Fourth Proportional to 42,837,711.96, 59,164,715.46 and 28,874,985.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,837,711.96 : 59,164,715.46 = 28,874,985.42 : x
2. Step 2: Convert to fraction form
   42,837,711.96/59,164,715.46 = 28,874,985.42/x
3. Step 3: Cross multiply
   42,837,711.96x = 59,164,715.46 × 28,874,985.42
4. Step 4: Simplify right side
   42,837,711.96x = 1,708,380,296,285,948.75
5. Step 5: Solve for x
   x = 1,708,380,296,285,948.75/42,837,711.96
6. Step 6: Final answer
   x = 39,880,288.14