Finding the Fourth Proportional to 71,085.78, 98,130.31 and 46,900.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,085.78 : 98,130.31 = 46,900.98 : x
2. Step 2: Convert to fraction form
   71,085.78/98,130.31 = 46,900.98/x
3. Step 3: Cross multiply
   71,085.78x = 98,130.31 × 46,900.98
4. Step 4: Simplify right side
   71,085.78x = 4,602,407,385.50
5. Step 5: Solve for x
   x = 4,602,407,385.50/71,085.78
6. Step 6: Final answer
   x = 64,744.42