Finding the Fourth Proportional to 71,086.78, 98,131.69 and 46,901.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,086.78 : 98,131.69 = 46,901.98 : x
2. Step 2: Convert to fraction form
   71,086.78/98,131.69 = 46,901.98/x
3. Step 3: Cross multiply
   71,086.78x = 98,131.69 × 46,901.98
4. Step 4: Simplify right side
   71,086.78x = 4,602,570,561.75
5. Step 5: Solve for x
   x = 4,602,570,561.75/71,086.78
6. Step 6: Final answer
   x = 64,745.80