Finding the Fourth Proportional to 38,478,505.10, 53,101,196.58 and 21,958,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   38,478,505.10 : 53,101,196.58 = 21,958,300.76 : x
2. Step 2: Convert to fraction form
   38,478,505.10/53,101,196.58 = 21,958,300.76/x
3. Step 3: Cross multiply
   38,478,505.10x = 53,101,196.58 × 21,958,300.76
4. Step 4: Simplify right side
   38,478,505.10x = 1,166,012,045,219,523.50
5. Step 5: Solve for x
   x = 1,166,012,045,219,523.50/38,478,505.10
6. Step 6: Final answer
   x = 30,302,945.56