Finding the Fourth Proportional to 912,079.08, 1,258,362.27 and 590,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   912,079.08 : 1,258,362.27 = 590,196.42 : x
2. Step 2: Convert to fraction form
   912,079.08/1,258,362.27 = 590,196.42/x
3. Step 3: Cross multiply
   912,079.08x = 1,258,362.27 × 590,196.42
4. Step 4: Simplify right side
   912,079.08x = 742,680,906,817.07
5. Step 5: Solve for x
   x = 742,680,906,817.07/912,079.08
6. Step 6: Final answer
   x = 814,272.49