Finding the Fourth Proportional to 42,572, 63,858.27 and 14,870

Step by Step Solution

1. Step 1: Write the proportion equation
   42,572 : 63,858.27 = 14,870 : x
2. Step 2: Convert to fraction form
   42,572/63,858.27 = 14,870/x
3. Step 3: Cross multiply
   42,572x = 63,858.27 × 14,870
4. Step 4: Simplify right side
   42,572x = 949,572,474.90
5. Step 5: Solve for x
   x = 949,572,474.90/42,572
6. Step 6: Final answer
   x = 22,305.09