Finding the Fourth Proportional to 42,402,470.43, 63,613,853.33 and 13,651,293.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402,470.43 : 63,613,853.33 = 13,651,293.63 : x
2. Step 2: Convert to fraction form
   42,402,470.43/63,613,853.33 = 13,651,293.63/x
3. Step 3: Cross multiply
   42,402,470.43x = 63,613,853.33 × 13,651,293.63
4. Step 4: Simplify right side
   42,402,470.43x = 868,411,390,675,326.88
5. Step 5: Solve for x
   x = 868,411,390,675,326.88/42,402,470.43
6. Step 6: Final answer
   x = 20,480,207.45