Finding the Fourth Proportional to 42,050,521.90, 63,063,973.05 and 13,305,468.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050,521.90 : 63,063,973.05 = 13,305,468.70 : x
2. Step 2: Convert to fraction form
   42,050,521.90/63,063,973.05 = 13,305,468.70/x
3. Step 3: Cross multiply
   42,050,521.90x = 63,063,973.05 × 13,305,468.70
4. Step 4: Simplify right side
   42,050,521.90x = 839,095,719,514,418.50
5. Step 5: Solve for x
   x = 839,095,719,514,418.50/42,050,521.90
6. Step 6: Final answer
   x = 19,954,466.24