Finding the Fourth Proportional to 34,123,908.67, 47,091,307.30 and 19,439,357.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,123,908.67 : 47,091,307.30 = 19,439,357.31 : x
2. Step 2: Convert to fraction form
   34,123,908.67/47,091,307.30 = 19,439,357.31/x
3. Step 3: Cross multiply
   34,123,908.67x = 47,091,307.30 × 19,439,357.31
4. Step 4: Simplify right side
   34,123,908.67x = 915,424,748,751,112.88
5. Step 5: Solve for x
   x = 915,424,748,751,112.88/34,123,908.67
6. Step 6: Final answer
   x = 26,826,491.59