Finding the Fourth Proportional to 13,154,111.86, 18,152,354.18 and 7,353,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,154,111.86 : 18,152,354.18 = 7,353,575.50 : x
2. Step 2: Convert to fraction form
   13,154,111.86/18,152,354.18 = 7,353,575.50/x
3. Step 3: Cross multiply
   13,154,111.86x = 18,152,354.18 × 7,353,575.50
4. Step 4: Simplify right side
   13,154,111.86x = 133,484,706,965,370.59
5. Step 5: Solve for x
   x = 133,484,706,965,370.59/13,154,111.86
6. Step 6: Final answer
   x = 10,147,755.20