Finding the Fourth Proportional to 1,159,200.84, 1,597,848.78 and 913,785.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159,200.84 : 1,597,848.78 = 913,785.34 : x
2. Step 2: Convert to fraction form
   1,159,200.84/1,597,848.78 = 913,785.34/x
3. Step 3: Cross multiply
   1,159,200.84x = 1,597,848.78 × 913,785.34
4. Step 4: Simplify right side
   1,159,200.84x = 1,460,090,790,700.89
5. Step 5: Solve for x
   x = 1,460,090,790,700.89/1,159,200.84
6. Step 6: Final answer
   x = 1,259,566.71