Finding the Fourth Proportional to 61,100.31, 84,317.67 and 34,242.78

Step by Step Solution

1. Step 1: Write the proportion equation
   61,100.31 : 84,317.67 = 34,242.78 : x
2. Step 2: Convert to fraction form
   61,100.31/84,317.67 = 34,242.78/x
3. Step 3: Cross multiply
   61,100.31x = 84,317.67 × 34,242.78
4. Step 4: Simplify right side
   61,100.31x = 2,887,271,423.92
5. Step 5: Solve for x
   x = 2,887,271,423.92/61,100.31
6. Step 6: Final answer
   x = 47,254.61