Finding the Fourth Proportional to 155,085,017.31, 214,049,081.79 and 92,397,837.78

Step by Step Solution

1. Step 1: Write the proportion equation
   155,085,017.31 : 214,049,081.79 = 92,397,837.78 : x
2. Step 2: Convert to fraction form
   155,085,017.31/214,049,081.79 = 92,397,837.78/x
3. Step 3: Cross multiply
   155,085,017.31x = 214,049,081.79 × 92,397,837.78
4. Step 4: Simplify right side
   155,085,017.31x = 19,777,672,336,190,372
5. Step 5: Solve for x
   x = 19,777,672,336,190,372/155,085,017.31
6. Step 6: Final answer
   x = 127,527,937.12