Finding the Fourth Proportional to 151,039,810.71, 226,680,785.19 and 78,277,393.89

Step by Step Solution

1. Step 1: Write the proportion equation
   151,039,810.71 : 226,680,785.19 = 78,277,393.89 : x
2. Step 2: Convert to fraction form
   151,039,810.71/226,680,785.19 = 78,277,393.89/x
3. Step 3: Cross multiply
   151,039,810.71x = 226,680,785.19 × 78,277,393.89
4. Step 4: Simplify right side
   151,039,810.71x = 17,743,981,109,612,108
5. Step 5: Solve for x
   x = 17,743,981,109,612,108/151,039,810.71
6. Step 6: Final answer
   x = 117,478,835.72