Finding the Fourth Proportional to 56,770,978.44, 78,343,981.73 and 30,665,496.41

Step by Step Solution

1. Step 1: Write the proportion equation
   56,770,978.44 : 78,343,981.73 = 30,665,496.41 : x
2. Step 2: Convert to fraction form
   56,770,978.44/78,343,981.73 = 30,665,496.41/x
3. Step 3: Cross multiply
   56,770,978.44x = 78,343,981.73 × 30,665,496.41
4. Step 4: Simplify right side
   56,770,978.44x = 2,402,457,090,333,093
5. Step 5: Solve for x
   x = 2,402,457,090,333,093/56,770,978.44
6. Step 6: Final answer
   x = 42,318,402.05