Finding the Fourth Proportional to 118,075.71, 162,943.59 and 64,360.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,075.71 : 162,943.59 = 64,360.56 : x
2. Step 2: Convert to fraction form
   118,075.71/162,943.59 = 64,360.56/x
3. Step 3: Cross multiply
   118,075.71x = 162,943.59 × 64,360.56
4. Step 4: Simplify right side
   118,075.71x = 10,487,140,700.81
5. Step 5: Solve for x
   x = 10,487,140,700.81/118,075.71
6. Step 6: Final answer
   x = 88,817.09