Finding the Fourth Proportional to 88,791.30, 133,186.59 and 42,076.98

Step by Step Solution

1. Step 1: Write the proportion equation
   88,791.30 : 133,186.59 = 42,076.98 : x
2. Step 2: Convert to fraction form
   88,791.30/133,186.59 = 42,076.98/x
3. Step 3: Cross multiply
   88,791.30x = 133,186.59 × 42,076.98
4. Step 4: Simplify right side
   88,791.30x = 5,604,089,483.70
5. Step 5: Solve for x
   x = 5,604,089,483.70/88,791.30
6. Step 6: Final answer
   x = 63,115.30