Finding the Fourth Proportional to 77,860,333.42, 116,802,113.22 and 28,672,404.68

Step by Step Solution

1. Step 1: Write the proportion equation
   77,860,333.42 : 116,802,113.22 = 28,672,404.68 : x
2. Step 2: Convert to fraction form
   77,860,333.42/116,802,113.22 = 28,672,404.68/x
3. Step 3: Cross multiply
   77,860,333.42x = 116,802,113.22 × 28,672,404.68
4. Step 4: Simplify right side
   77,860,333.42x = 3,348,997,457,139,007.50
5. Step 5: Solve for x
   x = 3,348,997,457,139,007.50/77,860,333.42
6. Step 6: Final answer
   x = 43,012,883.58