Finding the Fourth Proportional to 524,741.67, 787,168.71 and 145,664.00

Step by Step Solution

1. Step 1: Write the proportion equation
   524,741.67 : 787,168.71 = 145,664.00 : x
2. Step 2: Convert to fraction form
   524,741.67/787,168.71 = 145,664.00/x
3. Step 3: Cross multiply
   524,741.67x = 787,168.71 × 145,664.00
4. Step 4: Simplify right side
   524,741.67x = 114,662,139,037.60
5. Step 5: Solve for x
   x = 114,662,139,037.60/524,741.67
6. Step 6: Final answer
   x = 218,511.59