Finding the Fourth Proportional to 79,238.79, 118,627.74 and 61,655.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,238.79 : 118,627.74 = 61,655.31 : x
2. Step 2: Convert to fraction form
   79,238.79/118,627.74 = 61,655.31/x
3. Step 3: Cross multiply
   79,238.79x = 118,627.74 × 61,655.31
4. Step 4: Simplify right side
   79,238.79x = 7,314,030,084.30
5. Step 5: Solve for x
   x = 7,314,030,084.30/79,238.79
6. Step 6: Final answer
   x = 92,303.66