Finding the Fourth Proportional to 219,068.69, 302,280.59 and 123,572.93

Step by Step Solution

1. Step 1: Write the proportion equation
   219,068.69 : 302,280.59 = 123,572.93 : x
2. Step 2: Convert to fraction form
   219,068.69/302,280.59 = 123,572.93/x
3. Step 3: Cross multiply
   219,068.69x = 302,280.59 × 123,572.93
4. Step 4: Simplify right side
   219,068.69x = 37,353,696,985.96
5. Step 5: Solve for x
   x = 37,353,696,985.96/219,068.69
6. Step 6: Final answer
   x = 170,511.35