Finding the Fourth Proportional to 56,881,823.98, 78,496,915.82 and 30,776,341.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,881,823.98 : 78,496,915.82 = 30,776,341.80 : x
2. Step 2: Convert to fraction form
   56,881,823.98/78,496,915.82 = 30,776,341.80/x
3. Step 3: Cross multiply
   56,881,823.98x = 78,496,915.82 × 30,776,341.80
4. Step 4: Simplify right side
   56,881,823.98x = 2,415,847,911,522,147
5. Step 5: Solve for x
   x = 2,415,847,911,522,147/56,881,823.98
6. Step 6: Final answer
   x = 42,471,351.00