Finding the Fourth Proportional to 94,086.26, 129,779.98 and 55,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   94,086.26 : 129,779.98 = 55,818.72 : x
2. Step 2: Convert to fraction form
   94,086.26/129,779.98 = 55,818.72/x
3. Step 3: Cross multiply
   94,086.26x = 129,779.98 × 55,818.72
4. Step 4: Simplify right side
   94,086.26x = 7,244,152,040.78
5. Step 5: Solve for x
   x = 7,244,152,040.78/94,086.26
6. Step 6: Final answer
   x = 76,994.79