Finding the Fourth Proportional to 54,161,571.53, 74,742,968.72 and 30,957,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,161,571.53 : 74,742,968.72 = 30,957,196.72 : x
2. Step 2: Convert to fraction form
   54,161,571.53/74,742,968.72 = 30,957,196.72/x
3. Step 3: Cross multiply
   54,161,571.53x = 74,742,968.72 × 30,957,196.72
4. Step 4: Simplify right side
   54,161,571.53x = 2,313,832,785,760,203.50
5. Step 5: Solve for x
   x = 2,313,832,785,760,203.50/54,161,571.53
6. Step 6: Final answer
   x = 42,720,931.47