Finding the Fourth Proportional to 31,068,403.84, 42,892,788.64 and 27,621,123.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,068,403.84 : 42,892,788.64 = 27,621,123.20 : x
2. Step 2: Convert to fraction form
   31,068,403.84/42,892,788.64 = 27,621,123.20/x
3. Step 3: Cross multiply
   31,068,403.84x = 42,892,788.64 × 27,621,123.20
4. Step 4: Simplify right side
   31,068,403.84x = 1,184,746,999,417,000.50
5. Step 5: Solve for x
   x = 1,184,746,999,417,000.50/31,068,403.84
6. Step 6: Final answer
   x = 38,133,500.69