Finding the Fourth Proportional to 144,662,654.49, 199,610,798.39 and 85,174,081.84

Step by Step Solution

1. Step 1: Write the proportion equation
   144,662,654.49 : 199,610,798.39 = 85,174,081.84 : x
2. Step 2: Convert to fraction form
   144,662,654.49/199,610,798.39 = 85,174,081.84/x
3. Step 3: Cross multiply
   144,662,654.49x = 199,610,798.39 × 85,174,081.84
4. Step 4: Simplify right side
   144,662,654.49x = 17,001,666,478,360,646
5. Step 5: Solve for x
   x = 17,001,666,478,360,646/144,662,654.49
6. Step 6: Final answer
   x = 117,526,299.64