Finding the Fourth Proportional to 267,744,499.02, 401,605,950.56 and 136,583,897.25

Step by Step Solution

1. Step 1: Write the proportion equation
   267,744,499.02 : 401,605,950.56 = 136,583,897.25 : x
2. Step 2: Convert to fraction form
   267,744,499.02/401,605,950.56 = 136,583,897.25/x
3. Step 3: Cross multiply
   267,744,499.02x = 401,605,950.56 × 136,583,897.25
4. Step 4: Simplify right side
   267,744,499.02x = 54,852,905,887,098,720
5. Step 5: Solve for x
   x = 54,852,905,887,098,720/267,744,499.02
6. Step 6: Final answer
   x = 204,870,337.54