Finding the Fourth Proportional to 109,430.48, 151,051.56 and 64,123.04

Step by Step Solution

1. Step 1: Write the proportion equation
   109,430.48 : 151,051.56 = 64,123.04 : x
2. Step 2: Convert to fraction form
   109,430.48/151,051.56 = 64,123.04/x
3. Step 3: Cross multiply
   109,430.48x = 151,051.56 × 64,123.04
4. Step 4: Simplify right side
   109,430.48x = 9,685,885,223.94
5. Step 5: Solve for x
   x = 9,685,885,223.94/109,430.48
6. Step 6: Final answer
   x = 88,511.77