Finding the Fourth Proportional to 156,141.35, 234,068.49 and 56,277.09

Step by Step Solution

1. Step 1: Write the proportion equation
   156,141.35 : 234,068.49 = 56,277.09 : x
2. Step 2: Convert to fraction form
   156,141.35/234,068.49 = 56,277.09/x
3. Step 3: Cross multiply
   156,141.35x = 234,068.49 × 56,277.09
4. Step 4: Simplify right side
   156,141.35x = 13,172,693,477.89
5. Step 5: Solve for x
   x = 13,172,693,477.89/156,141.35
6. Step 6: Final answer
   x = 84,363.90