Finding the Fourth Proportional to 7,154,969.72, 10,731,085.34 and 2,778,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,154,969.72 : 10,731,085.34 = 2,778,109.16 : x
2. Step 2: Convert to fraction form
   7,154,969.72/10,731,085.34 = 2,778,109.16/x
3. Step 3: Cross multiply
   7,154,969.72x = 10,731,085.34 × 2,778,109.16
4. Step 4: Simplify right side
   7,154,969.72x = 29,812,126,479,795.71
5. Step 5: Solve for x
   x = 29,812,126,479,795.71/7,154,969.72
6. Step 6: Final answer
   x = 4,166,632.10