Finding the Fourth Proportional to 99,420,956.82, 149,139,899.01 and 30,349,274.76

Step by Step Solution

1. Step 1: Write the proportion equation
   99,420,956.82 : 149,139,899.01 = 30,349,274.76 : x
2. Step 2: Convert to fraction form
   99,420,956.82/149,139,899.01 = 30,349,274.76/x
3. Step 3: Cross multiply
   99,420,956.82x = 149,139,899.01 × 30,349,274.76
4. Step 4: Simplify right side
   99,420,956.82x = 4,526,287,772,733,142
5. Step 5: Solve for x
   x = 4,526,287,772,733,142/99,420,956.82
6. Step 6: Final answer
   x = 45,526,495.80