Finding the Fourth Proportional to 102,263,100.89, 141,127,666.74 and 55,853,736.17

Step by Step Solution

1. Step 1: Write the proportion equation
   102,263,100.89 : 141,127,666.74 = 55,853,736.17 : x
2. Step 2: Convert to fraction form
   102,263,100.89/141,127,666.74 = 55,853,736.17/x
3. Step 3: Cross multiply
   102,263,100.89x = 141,127,666.74 × 55,853,736.17
4. Step 4: Simplify right side
   102,263,100.89x = 7,882,507,463,678,006
5. Step 5: Solve for x
   x = 7,882,507,463,678,006/102,263,100.89
6. Step 6: Final answer
   x = 77,080,661.50