Finding the Fourth Proportional to 92,219.60, 138,307.56 and 42,268.52

Step by Step Solution

1. Step 1: Write the proportion equation
   92,219.60 : 138,307.56 = 42,268.52 : x
2. Step 2: Convert to fraction form
   92,219.60/138,307.56 = 42,268.52/x
3. Step 3: Cross multiply
   92,219.60x = 138,307.56 × 42,268.52
4. Step 4: Simplify right side
   92,219.60x = 5,846,055,866.01
5. Step 5: Solve for x
   x = 5,846,055,866.01/92,219.60
6. Step 6: Final answer
   x = 63,392.77