Finding the Fourth Proportional to 18,832,674.72, 28,249,274.52 and 5,369,502.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,832,674.72 : 28,249,274.52 = 5,369,502.72 : x
2. Step 2: Convert to fraction form
   18,832,674.72/28,249,274.52 = 5,369,502.72/x
3. Step 3: Cross multiply
   18,832,674.72x = 28,249,274.52 × 5,369,502.72
4. Step 4: Simplify right side
   18,832,674.72x = 151,684,556,373,166.69
5. Step 5: Solve for x
   x = 151,684,556,373,166.69/18,832,674.72
6. Step 6: Final answer
   x = 8,054,328.91