Finding the Fourth Proportional to 130,447.84, 180,018.72 and 73,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   130,447.84 : 180,018.72 = 73,870.24 : x
2. Step 2: Convert to fraction form
   130,447.84/180,018.72 = 73,870.24/x
3. Step 3: Cross multiply
   130,447.84x = 180,018.72 × 73,870.24
4. Step 4: Simplify right side
   130,447.84x = 13,298,026,050.89
5. Step 5: Solve for x
   x = 13,298,026,050.89/130,447.84
6. Step 6: Final answer
   x = 101,941.33