Finding the Fourth Proportional to 148,139,726.22, 204,503,711.31 and 98,662,437.90

Step by Step Solution

1. Step 1: Write the proportion equation
   148,139,726.22 : 204,503,711.31 = 98,662,437.90 : x
2. Step 2: Convert to fraction form
   148,139,726.22/204,503,711.31 = 98,662,437.90/x
3. Step 3: Cross multiply
   148,139,726.22x = 204,503,711.31 × 98,662,437.90
4. Step 4: Simplify right side
   148,139,726.22x = 20,176,834,717,442,404
5. Step 5: Solve for x
   x = 20,176,834,717,442,404/148,139,726.22
6. Step 6: Final answer
   x = 136,201,377.12