Finding the Fourth Proportional to 150,643, 207,897.06 and 83,575

Step by Step Solution

1. Step 1: Write the proportion equation
   150,643 : 207,897.06 = 83,575 : x
2. Step 2: Convert to fraction form
   150,643/207,897.06 = 83,575/x
3. Step 3: Cross multiply
   150,643x = 207,897.06 × 83,575
4. Step 4: Simplify right side
   150,643x = 17,374,996,789.50
5. Step 5: Solve for x
   x = 17,374,996,789.50/150,643
6. Step 6: Final answer
   x = 115,338.89