Finding the Fourth Proportional to 42,070.53, 63,087.29 and 15,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,070.53 : 63,087.29 = 15,756.82 : x
2. Step 2: Convert to fraction form
   42,070.53/63,087.29 = 15,756.82/x
3. Step 3: Cross multiply
   42,070.53x = 63,087.29 × 15,756.82
4. Step 4: Simplify right side
   42,070.53x = 994,055,139.31
5. Step 5: Solve for x
   x = 994,055,139.31/42,070.53
6. Step 6: Final answer
   x = 23,628.30