Finding the Fourth Proportional to 74,626,384.47, 111,912,807.82 and 28,581,198.99

Step by Step Solution

1. Step 1: Write the proportion equation
   74,626,384.47 : 111,912,807.82 = 28,581,198.99 : x
2. Step 2: Convert to fraction form
   74,626,384.47/111,912,807.82 = 28,581,198.99/x
3. Step 3: Cross multiply
   74,626,384.47x = 111,912,807.82 × 28,581,198.99
4. Step 4: Simplify right side
   74,626,384.47x = 3,198,602,229,833,047.50
5. Step 5: Solve for x
   x = 3,198,602,229,833,047.50/74,626,384.47
6. Step 6: Final answer
   x = 42,861,546.26