Finding the Fourth Proportional to 156,141.84, 234,069.24 and 56,277.60

Step by Step Solution

1. Step 1: Write the proportion equation
   156,141.84 : 234,069.24 = 56,277.60 : x
2. Step 2: Convert to fraction form
   156,141.84/234,069.24 = 56,277.60/x
3. Step 3: Cross multiply
   156,141.84x = 234,069.24 × 56,277.60
4. Step 4: Simplify right side
   156,141.84x = 13,172,855,061.02
5. Step 5: Solve for x
   x = 13,172,855,061.02/156,141.84
6. Step 6: Final answer
   x = 84,364.67