Finding the Fourth Proportional to 143,670.69, 198,265.82 and 83,253

Step by Step Solution

1. Step 1: Write the proportion equation
   143,670.69 : 198,265.82 = 83,253 : x
2. Step 2: Convert to fraction form
   143,670.69/198,265.82 = 83,253/x
3. Step 3: Cross multiply
   143,670.69x = 198,265.82 × 83,253
4. Step 4: Simplify right side
   143,670.69x = 16,506,224,312.46
5. Step 5: Solve for x
   x = 16,506,224,312.46/143,670.69
6. Step 6: Final answer
   x = 114,889.30