Finding the Fourth Proportional to 42,187,495.93, 63,155,164.49 and 25,518,658.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,187,495.93 : 63,155,164.49 = 25,518,658.06 : x
2. Step 2: Convert to fraction form
   42,187,495.93/63,155,164.49 = 25,518,658.06/x
3. Step 3: Cross multiply
   42,187,495.93x = 63,155,164.49 × 25,518,658.06
4. Step 4: Simplify right side
   42,187,495.93x = 1,611,635,047,390,359
5. Step 5: Solve for x
   x = 1,611,635,047,390,359/42,187,495.93
6. Step 6: Final answer
   x = 38,201,723.32