Finding the Fourth Proportional to 462,678.33, 693,868.86 and 147,061.47

Step by Step Solution

1. Step 1: Write the proportion equation
   462,678.33 : 693,868.86 = 147,061.47 : x
2. Step 2: Convert to fraction form
   462,678.33/693,868.86 = 147,061.47/x
3. Step 3: Cross multiply
   462,678.33x = 693,868.86 × 147,061.47
4. Step 4: Simplify right side
   462,678.33x = 102,041,374,538.82
5. Step 5: Solve for x
   x = 102,041,374,538.82/462,678.33
6. Step 6: Final answer
   x = 220,544.96