Finding the Fourth Proportional to 77,397.35, 116,128.85 and 42,296.00

Step by Step Solution

1. Step 1: Write the proportion equation
   77,397.35 : 116,128.85 = 42,296.00 : x
2. Step 2: Convert to fraction form
   77,397.35/116,128.85 = 42,296.00/x
3. Step 3: Cross multiply
   77,397.35x = 116,128.85 × 42,296.00
4. Step 4: Simplify right side
   77,397.35x = 4,911,785,047.48
5. Step 5: Solve for x
   x = 4,911,785,047.48/77,397.35
6. Step 6: Final answer
   x = 63,461.93