Finding the Fourth Proportional to 249,061.03, 373,109.86 and 208,599.62

Step by Step Solution

1. Step 1: Write the proportion equation
   249,061.03 : 373,109.86 = 208,599.62 : x
2. Step 2: Convert to fraction form
   249,061.03/373,109.86 = 208,599.62/x
3. Step 3: Cross multiply
   249,061.03x = 373,109.86 × 208,599.62
4. Step 4: Simplify right side
   249,061.03x = 77,830,575,425.53
5. Step 5: Solve for x
   x = 77,830,575,425.53/249,061.03
6. Step 6: Final answer
   x = 312,496.00