Finding the Fourth Proportional to 77,592.98, 116,159.83 and 47,915.39

Step by Step Solution

1. Step 1: Write the proportion equation
   77,592.98 : 116,159.83 = 47,915.39 : x
2. Step 2: Convert to fraction form
   77,592.98/116,159.83 = 47,915.39/x
3. Step 3: Cross multiply
   77,592.98x = 116,159.83 × 47,915.39
4. Step 4: Simplify right side
   77,592.98x = 5,565,843,556.78
5. Step 5: Solve for x
   x = 5,565,843,556.78/77,592.98
6. Step 6: Final answer
   x = 71,731.28