Finding the Fourth Proportional to 42,150,668.14, 63,127,789.41 and 40,987,061.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150,668.14 : 63,127,789.41 = 40,987,061.46 : x
2. Step 2: Convert to fraction form
   42,150,668.14/63,127,789.41 = 40,987,061.46/x
3. Step 3: Cross multiply
   42,150,668.14x = 63,127,789.41 × 40,987,061.46
4. Step 4: Simplify right side
   42,150,668.14x = 2,587,422,584,381,607
5. Step 5: Solve for x
   x = 2,587,422,584,381,607/42,150,668.14
6. Step 6: Final answer
   x = 61,385,090.64