Finding the Fourth Proportional to 31,068,350.83, 42,892,715.46 and 27,621,070.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,068,350.83 : 42,892,715.46 = 27,621,070.21 : x
2. Step 2: Convert to fraction form
   31,068,350.83/42,892,715.46 = 27,621,070.21/x
3. Step 3: Cross multiply
   31,068,350.83x = 42,892,715.46 × 27,621,070.21
4. Step 4: Simplify right side
   31,068,350.83x = 1,184,742,705,218,212.50
5. Step 5: Solve for x
   x = 1,184,742,705,218,212.50/31,068,350.83
6. Step 6: Final answer
   x = 38,133,427.54