Finding the Fourth Proportional to 42,139,386.50, 63,214,139.88 and 14,840,033.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,386.50 : 63,214,139.88 = 14,840,033.22 : x
2. Step 2: Convert to fraction form
   42,139,386.50/63,214,139.88 = 14,840,033.22/x
3. Step 3: Cross multiply
   42,139,386.50x = 63,214,139.88 × 14,840,033.22
4. Step 4: Simplify right side
   42,139,386.50x = 938,099,935,792,926.88
5. Step 5: Solve for x
   x = 938,099,935,792,926.88/42,139,386.50
6. Step 6: Final answer
   x = 22,261,831.84