Finding the Fourth Proportional to 52,257,804.57, 72,009,420.60 and 40,425,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,257,804.57 : 72,009,420.60 = 40,425,196.98 : x
2. Step 2: Convert to fraction form
   52,257,804.57/72,009,420.60 = 40,425,196.98/x
3. Step 3: Cross multiply
   52,257,804.57x = 72,009,420.60 × 40,425,196.98
4. Step 4: Simplify right side
   52,257,804.57x = 2,910,995,012,170,669.50
5. Step 5: Solve for x
   x = 2,910,995,012,170,669.50/52,257,804.57
6. Step 6: Final answer
   x = 55,704,502.63