Finding the Fourth Proportional to 56,890,276.02, 78,508,788.93 and 30,784,793.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,890,276.02 : 78,508,788.93 = 30,784,793.94 : x
2. Step 2: Convert to fraction form
   56,890,276.02/78,508,788.93 = 30,784,793.94/x
3. Step 3: Cross multiply
   56,890,276.02x = 78,508,788.93 × 30,784,793.94
4. Step 4: Simplify right side
   56,890,276.02x = 2,416,876,889,689,003.50
5. Step 5: Solve for x
   x = 2,416,876,889,689,003.50/56,890,276.02
6. Step 6: Final answer
   x = 42,483,128.20