Finding the Fourth Proportional to 103,189,838.84, 142,397,708.17 and 56,147,105.93

Step by Step Solution

1. Step 1: Write the proportion equation
   103,189,838.84 : 142,397,708.17 = 56,147,105.93 : x
2. Step 2: Convert to fraction form
   103,189,838.84/142,397,708.17 = 56,147,105.93/x
3. Step 3: Cross multiply
   103,189,838.84x = 142,397,708.17 × 56,147,105.93
4. Step 4: Simplify right side
   103,189,838.84x = 7,995,219,205,623,096
5. Step 5: Solve for x
   x = 7,995,219,205,623,096/103,189,838.84
6. Step 6: Final answer
   x = 77,480,683.13