Finding the Fourth Proportional to 42,159.84, 63,275.24 and 21,093.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,159.84 : 63,275.24 = 21,093.56 : x
2. Step 2: Convert to fraction form
   42,159.84/63,275.24 = 21,093.56/x
3. Step 3: Cross multiply
   42,159.84x = 63,275.24 × 21,093.56
4. Step 4: Simplify right side
   42,159.84x = 1,334,700,071.45
5. Step 5: Solve for x
   x = 1,334,700,071.45/42,159.84
6. Step 6: Final answer
   x = 31,658.09