Finding the Fourth Proportional to 56,754,823.74, 78,321,655.98 and 30,649,340.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,754,823.74 : 78,321,655.98 = 30,649,340.82 : x
2. Step 2: Convert to fraction form
   56,754,823.74/78,321,655.98 = 30,649,340.82/x
3. Step 3: Cross multiply
   56,754,823.74x = 78,321,655.98 × 30,649,340.82
4. Step 4: Simplify right side
   56,754,823.74x = 2,400,507,127,717,811.50
5. Step 5: Solve for x
   x = 2,400,507,127,717,811.50/56,754,823.74
6. Step 6: Final answer
   x = 42,296,089.91