Finding the Fourth Proportional to 209,392.49, 314,192.52 and 83,030.02

Step by Step Solution

1. Step 1: Write the proportion equation
   209,392.49 : 314,192.52 = 83,030.02 : x
2. Step 2: Convert to fraction form
   209,392.49/314,192.52 = 83,030.02/x
3. Step 3: Cross multiply
   209,392.49x = 314,192.52 × 83,030.02
4. Step 4: Simplify right side
   209,392.49x = 26,087,411,300.83
5. Step 5: Solve for x
   x = 26,087,411,300.83/209,392.49
6. Step 6: Final answer
   x = 124,586.19