Finding the Fourth Proportional to 42,506.64, 63,438.58 and 41,400.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,506.64 : 63,438.58 = 41,400.72 : x
2. Step 2: Convert to fraction form
   42,506.64/63,438.58 = 41,400.72/x
3. Step 3: Cross multiply
   42,506.64x = 63,438.58 × 41,400.72
4. Step 4: Simplify right side
   42,506.64x = 2,626,402,887.78
5. Step 5: Solve for x
   x = 2,626,402,887.78/42,506.64
6. Step 6: Final answer
   x = 61,788.06