Finding the Fourth Proportional to 151,388,348.00, 208,915,888.05 and 81,773,729.60

Step by Step Solution

1. Step 1: Write the proportion equation
   151,388,348.00 : 208,915,888.05 = 81,773,729.60 : x
2. Step 2: Convert to fraction form
   151,388,348.00/208,915,888.05 = 81,773,729.60/x
3. Step 3: Cross multiply
   151,388,348.00x = 208,915,888.05 × 81,773,729.60
4. Step 4: Simplify right side
   151,388,348.00x = 17,083,831,337,499,992
5. Step 5: Solve for x
   x = 17,083,831,337,499,992/151,388,348.00
6. Step 6: Final answer
   x = 112,847,729.46