Finding the Fourth Proportional to 60,719,988.42, 91,079,911.89 and 19,779,361.52

Step by Step Solution

1. Step 1: Write the proportion equation
   60,719,988.42 : 91,079,911.89 = 19,779,361.52 : x
2. Step 2: Convert to fraction form
   60,719,988.42/91,079,911.89 = 19,779,361.52/x
3. Step 3: Cross multiply
   60,719,988.42x = 91,079,911.89 × 19,779,361.52
4. Step 4: Simplify right side
   60,719,988.42x = 1,801,502,504,026,657
5. Step 5: Solve for x
   x = 1,801,502,504,026,657/60,719,988.42
6. Step 6: Final answer
   x = 29,669,019.23