Finding the Fourth Proportional to 56,907,953, 78,532,978.98 and 31,153,841

Step by Step Solution

1. Step 1: Write the proportion equation
   56,907,953 : 78,532,978.98 = 31,153,841 : x
2. Step 2: Convert to fraction form
   56,907,953/78,532,978.98 = 31,153,841/x
3. Step 3: Cross multiply
   56,907,953x = 78,532,978.98 × 31,153,841
4. Step 4: Simplify right side
   56,907,953x = 2,446,603,940,399,262.50
5. Step 5: Solve for x
   x = 2,446,603,940,399,262.50/56,907,953
6. Step 6: Final answer
   x = 42,992,302.68