Finding the Fourth Proportional to 152,773.89, 228,918.43 and 102,669.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,773.89 : 228,918.43 = 102,669.72 : x
2. Step 2: Convert to fraction form
   152,773.89/228,918.43 = 102,669.72/x
3. Step 3: Cross multiply
   152,773.89x = 228,918.43 × 102,669.72
4. Step 4: Simplify right side
   152,773.89x = 23,502,991,110.94
5. Step 5: Solve for x
   x = 23,502,991,110.94/152,773.89
6. Step 6: Final answer
   x = 153,841.67