Finding the Fourth Proportional to 72,365,634.72, 108,457,152.12 and 29,210,817.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,365,634.72 : 108,457,152.12 = 29,210,817.60 : x
2. Step 2: Convert to fraction form
   72,365,634.72/108,457,152.12 = 29,210,817.60/x
3. Step 3: Cross multiply
   72,365,634.72x = 108,457,152.12 × 29,210,817.60
4. Step 4: Simplify right side
   72,365,634.72x = 3,168,122,087,992,773.50
5. Step 5: Solve for x
   x = 3,168,122,087,992,773.50/72,365,634.72
6. Step 6: Final answer
   x = 43,779,372.63