Finding the Fourth Proportional to 130,549, 180,158.72 and 70,933

Step by Step Solution

1. Step 1: Write the proportion equation
   130,549 : 180,158.72 = 70,933 : x
2. Step 2: Convert to fraction form
   130,549/180,158.72 = 70,933/x
3. Step 3: Cross multiply
   130,549x = 180,158.72 × 70,933
4. Step 4: Simplify right side
   130,549x = 12,779,198,485.76
5. Step 5: Solve for x
   x = 12,779,198,485.76/130,549
6. Step 6: Final answer
   x = 97,888.14