Finding the Fourth Proportional to 60,719,980.79, 91,079,900.42 and 19,779,353.82

Step by Step Solution

1. Step 1: Write the proportion equation
   60,719,980.79 : 91,079,900.42 = 19,779,353.82 : x
2. Step 2: Convert to fraction form
   60,719,980.79/91,079,900.42 = 19,779,353.82/x
3. Step 3: Cross multiply
   60,719,980.79x = 91,079,900.42 × 19,779,353.82
4. Step 4: Simplify right side
   60,719,980.79x = 1,801,501,576,198,650
5. Step 5: Solve for x
   x = 1,801,501,576,198,650/60,719,980.79
6. Step 6: Final answer
   x = 29,669,007.68