Finding the Fourth Proportional to 108,302,738.65, 162,438,128.29 and 31,605,173.53

Step by Step Solution

1. Step 1: Write the proportion equation
   108,302,738.65 : 162,438,128.29 = 31,605,173.53 : x
2. Step 2: Convert to fraction form
   108,302,738.65/162,438,128.29 = 31,605,173.53/x
3. Step 3: Cross multiply
   108,302,738.65x = 162,438,128.29 × 31,605,173.53
4. Step 4: Simplify right side
   108,302,738.65x = 5,133,885,231,523,635
5. Step 5: Solve for x
   x = 5,133,885,231,523,635/108,302,738.65
6. Step 6: Final answer
   x = 47,403,097.06