Finding the Fourth Proportional to 56,930,071.89, 78,563,536.29 and 30,824,607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   56,930,071.89 : 78,563,536.29 = 30,824,607.42 : x
2. Step 2: Convert to fraction form
   56,930,071.89/78,563,536.29 = 30,824,607.42/x
3. Step 3: Cross multiply
   56,930,071.89x = 78,563,536.29 × 30,824,607.42
4. Step 4: Simplify right side
   56,930,071.89x = 2,421,690,163,666,173.50
5. Step 5: Solve for x
   x = 2,421,690,163,666,173.50/56,930,071.89
6. Step 6: Final answer
   x = 42,537,978.32