Finding the Fourth Proportional to 78,700.74, 118,085.98 and 41,251.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,700.74 : 118,085.98 = 41,251.91 : x
2. Step 2: Convert to fraction form
   78,700.74/118,085.98 = 41,251.91/x
3. Step 3: Cross multiply
   78,700.74x = 118,085.98 × 41,251.91
4. Step 4: Simplify right side
   78,700.74x = 4,871,272,012.96
5. Step 5: Solve for x
   x = 4,871,272,012.96/78,700.74
6. Step 6: Final answer
   x = 61,896.14