Finding the Fourth Proportional to 42,050.61, 63,065.16 and 12,461.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050.61 : 63,065.16 = 12,461.51 : x
2. Step 2: Convert to fraction form
   42,050.61/63,065.16 = 12,461.51/x
3. Step 3: Cross multiply
   42,050.61x = 63,065.16 × 12,461.51
4. Step 4: Simplify right side
   42,050.61x = 785,887,279.65
5. Step 5: Solve for x
   x = 785,887,279.65/42,050.61
6. Step 6: Final answer
   x = 18,689.08