Finding the Fourth Proportional to 12,355,510.42, 18,533,374.98 and 5,072,975.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,355,510.42 : 18,533,374.98 = 5,072,975.38 : x
2. Step 2: Convert to fraction form
   12,355,510.42/18,533,374.98 = 5,072,975.38/x
3. Step 3: Cross multiply
   12,355,510.42x = 18,533,374.98 × 5,072,975.38
4. Step 4: Simplify right side
   12,355,510.42x = 94,019,354,981,848
5. Step 5: Solve for x
   x = 94,019,354,981,848/12,355,510.42
6. Step 6: Final answer
   x = 7,609,507.97