Finding the Fourth Proportional to 118,075.52, 162,943.20 and 64,360.55

Step by Step Solution

1. Step 1: Write the proportion equation
   118,075.52 : 162,943.20 = 64,360.55 : x
2. Step 2: Convert to fraction form
   118,075.52/162,943.20 = 64,360.55/x
3. Step 3: Cross multiply
   118,075.52x = 162,943.20 × 64,360.55
4. Step 4: Simplify right side
   118,075.52x = 10,487,113,156.04
5. Step 5: Solve for x
   x = 10,487,113,156.04/118,075.52
6. Step 6: Final answer
   x = 88,817.00