Finding the Fourth Proportional to 77,771.10, 116,606.42 and 42,701.34

Step by Step Solution

1. Step 1: Write the proportion equation
   77,771.10 : 116,606.42 = 42,701.34 : x
2. Step 2: Convert to fraction form
   77,771.10/116,606.42 = 42,701.34/x
3. Step 3: Cross multiply
   77,771.10x = 116,606.42 × 42,701.34
4. Step 4: Simplify right side
   77,771.10x = 4,979,250,386.60
5. Step 5: Solve for x
   x = 4,979,250,386.60/77,771.10
6. Step 6: Final answer
   x = 64,024.43