Finding the Fourth Proportional to 56,838,406.74, 78,437,056.86 and 30,732,917.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,838,406.74 : 78,437,056.86 = 30,732,917.69 : x
2. Step 2: Convert to fraction form
   56,838,406.74/78,437,056.86 = 30,732,917.69/x
3. Step 3: Cross multiply
   56,838,406.74x = 78,437,056.86 × 30,732,917.69
4. Step 4: Simplify right side
   56,838,406.74x = 2,410,599,611,932,044.50
5. Step 5: Solve for x
   x = 2,410,599,611,932,044.50/56,838,406.74
6. Step 6: Final answer
   x = 42,411,456.45