Finding the Fourth Proportional to 76,939,532.37, 106,173,365.94 and 42,131,623.05

Step by Step Solution

1. Step 1: Write the proportion equation
   76,939,532.37 : 106,173,365.94 = 42,131,623.05 : x
2. Step 2: Convert to fraction form
   76,939,532.37/106,173,365.94 = 42,131,623.05/x
3. Step 3: Cross multiply
   76,939,532.37x = 106,173,365.94 × 42,131,623.05
4. Step 4: Simplify right side
   76,939,532.37x = 4,473,256,231,733,788.50
5. Step 5: Solve for x
   x = 4,473,256,231,733,788.50/76,939,532.37
6. Step 6: Final answer
   x = 58,139,893.68