Finding the Fourth Proportional to 1,268,038,123.94, 1,902,510,261.04 and 771,059,763.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,038,123.94 : 1,902,510,261.04 = 771,059,763.02 : x
2. Step 2: Convert to fraction form
   1,268,038,123.94/1,902,510,261.04 = 771,059,763.02/x
3. Step 3: Cross multiply
   1,268,038,123.94x = 1,902,510,261.04 × 771,059,763.02
4. Step 4: Simplify right side
   1,268,038,123.94x = 1,466,949,111,020,620,800
5. Step 5: Solve for x
   x = 1,466,949,111,020,620,800/1,268,038,123.94
6. Step 6: Final answer
   x = 1,156,865,147.29