Finding the Fourth Proportional to 57,102,475.83, 78,801,516.63 and 30,997,011.39

Step by Step Solution

1. Step 1: Write the proportion equation
   57,102,475.83 : 78,801,516.63 = 30,997,011.39 : x
2. Step 2: Convert to fraction form
   57,102,475.83/78,801,516.63 = 30,997,011.39/x
3. Step 3: Cross multiply
   57,102,475.83x = 78,801,516.63 × 30,997,011.39
4. Step 4: Simplify right side
   57,102,475.83x = 2,442,611,508,529,384.50
5. Step 5: Solve for x
   x = 2,442,611,508,529,384.50/57,102,475.83
6. Step 6: Final answer
   x = 42,775,929.99