Finding the Fourth Proportional to 42,111, 63,182.93 and 15,817.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,111 : 63,182.93 = 15,817.82 : x
2. Step 2: Convert to fraction form
   42,111/63,182.93 = 15,817.82/x
3. Step 3: Cross multiply
   42,111x = 63,182.93 × 15,817.82
4. Step 4: Simplify right side
   42,111x = 999,415,818.81
5. Step 5: Solve for x
   x = 999,415,818.81/42,111
6. Step 6: Final answer
   x = 23,732.89