Finding the Fourth Proportional to 723,061.53, 1,084,373.93 and 217,488.30

Step by Step Solution

1. Step 1: Write the proportion equation
   723,061.53 : 1,084,373.93 = 217,488.30 : x
2. Step 2: Convert to fraction form
   723,061.53/1,084,373.93 = 217,488.30/x
3. Step 3: Cross multiply
   723,061.53x = 1,084,373.93 × 217,488.30
4. Step 4: Simplify right side
   723,061.53x = 235,838,636,090.71
5. Step 5: Solve for x
   x = 235,838,636,090.71/723,061.53
6. Step 6: Final answer
   x = 326,166.76