Finding the Fourth Proportional to 310,870.47, 429,017.00 and 183,543.33

Step by Step Solution

1. Step 1: Write the proportion equation
   310,870.47 : 429,017.00 = 183,543.33 : x
2. Step 2: Convert to fraction form
   310,870.47/429,017.00 = 183,543.33/x
3. Step 3: Cross multiply
   310,870.47x = 429,017.00 × 183,543.33
4. Step 4: Simplify right side
   310,870.47x = 78,743,207,888.89
5. Step 5: Solve for x
   x = 78,743,207,888.89/310,870.47
6. Step 6: Final answer
   x = 253,299.09