Finding the Fourth Proportional to 42,615.64, 63,925.98 and 13,035.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,615.64 : 63,925.98 = 13,035.52 : x
2. Step 2: Convert to fraction form
   42,615.64/63,925.98 = 13,035.52/x
3. Step 3: Cross multiply
   42,615.64x = 63,925.98 × 13,035.52
4. Step 4: Simplify right side
   42,615.64x = 833,308,390.81
5. Step 5: Solve for x
   x = 833,308,390.81/42,615.64
6. Step 6: Final answer
   x = 19,554.05