Finding the Fourth Proportional to 1,538,978.93, 2,125,152.71 and 959,191.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,978.93 : 2,125,152.71 = 959,191.56 : x
2. Step 2: Convert to fraction form
   1,538,978.93/2,125,152.71 = 959,191.56/x
3. Step 3: Cross multiply
   1,538,978.93x = 2,125,152.71 × 959,191.56
4. Step 4: Simplify right side
   1,538,978.93x = 2,038,428,538,347.17
5. Step 5: Solve for x
   x = 2,038,428,538,347.17/1,538,978.93
6. Step 6: Final answer
   x = 1,324,533.11